Blue roof - Revision history

https://www.designingbuildings.co.uk/w/index.php?action=history&feed=atom&title=Blue_roof Blue roof - Revision history 2026-05-18T09:13:06Z Revision history for this page on the wiki MediaWiki 1.17.4 https://www.designingbuildings.co.uk/w/index.php?title=Blue_roof&diff=220377&oldid=prev Editor at 11:09, 15 December 2021 2021-12-15T11:09:00Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 11:09, 15 December 2021</td> </tr><tr><td colspan="2" class="diff-lineno">Line 15:</td> <td colspan="2" class="diff-lineno">Line 15:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>To ensure safety, there must be careful estimation of the flow restriction, which calculates the peak rates of run-off and the water depth that will be formed on the roof surface. This informs the design of the safety overflows, the preventative maintenance programme, and the design and construction of the waterproofing layer.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>To ensure safety, there must be careful estimation of the flow restriction, which calculates the peak rates of run-off and the water depth that will be formed on the roof surface. This informs the design of the safety overflows, the preventative maintenance programme, and the design and construction of the waterproofing layer.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings <del class="diffchange diffchange-inline">Wiki </del>=</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings =</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Blue infrastructure.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Blue infrastructure.</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 32:</td> <td colspan="2" class="diff-lineno">Line 32:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Rainwater harvesting.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Rainwater harvesting.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Sustainable Urban Drainage Systems.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Sustainable Urban Drainage Systems.</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* Twickenham Studio - London's world-renowned film studio transformed.</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Warm roof.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Warm roof.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:Water]] [[Category:Sustainability]] [[Category:Construction_techniques]] [[Category:Products_/_components]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:Water]] [[Category:Sustainability]] [[Category:Construction_techniques]] [[Category:Products_/_components]]</div></td></tr> </table>

Editor https://www.designingbuildings.co.uk/w/index.php?title=Blue_roof&diff=202504&oldid=prev Designing Buildings at 13:44, 3 May 2021 2021-05-03T13:44:48Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 13:44, 3 May 2021</td> </tr><tr><td colspan="2" class="diff-lineno">Line 17:</td> <td colspan="2" class="diff-lineno">Line 17:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings Wiki =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings Wiki =</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* Blue infrastructure.</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Blue space.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Blue space.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Brown roof.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Brown roof.</div></td></tr> </table>

Designing Buildings https://www.designingbuildings.co.uk/w/index.php?title=Blue_roof&diff=172941&oldid=prev Designing Buildings at 11:22, 7 September 2020 2020-09-07T11:22:17Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 11:22, 7 September 2020</td> </tr><tr><td colspan="2" class="diff-lineno">Line 18:</td> <td colspan="2" class="diff-lineno">Line 18:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Blue space.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Blue space.</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* Brown roof.</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Cold roof.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Cold roof.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Condensation in buildings.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Condensation in buildings.</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 32:</td> <td colspan="2" class="diff-lineno">Line 33:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Warm roof.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Warm roof.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>[[Category:<del class="diffchange diffchange-inline">Water</del>]] [[Category:<del class="diffchange diffchange-inline">Sustainability</del>]] [[Category:<del class="diffchange diffchange-inline">Construction_techniques</del>]] [[Category:<del class="diffchange diffchange-inline">Products_/_components</del>]] [[Category:<del class="diffchange diffchange-inline">DCN_Product_Knowledge</del>]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>[[Category:<ins class="diffchange diffchange-inline">DCN_Definition</ins>]] [[Category:<ins class="diffchange diffchange-inline">DCN_Guidance</ins>]] [[Category:<ins class="diffchange diffchange-inline">DCN_Product_Knowledge</ins>]] [[Category:<ins class="diffchange diffchange-inline">Water</ins>]] [[Category:<ins class="diffchange diffchange-inline">Sustainability]] [[Category:Construction_techniques]] [[Category:Products_/_components</ins>]]</div></td></tr> </table>

Designing Buildings https://www.designingbuildings.co.uk/w/index.php?title=Blue_roof&diff=150015&oldid=prev Designing Buildings at 15:58, 24 December 2019 2019-12-24T15:58:14Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 15:58, 24 December 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 17:</td> <td colspan="2" class="diff-lineno">Line 17:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings Wiki =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings Wiki =</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* Blue space.</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Cold roof.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Cold roof.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Condensation in buildings.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Condensation in buildings.</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 31:</td> <td colspan="2" class="diff-lineno">Line 32:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Warm roof.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Warm roof.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>[[Category:Water]] [[Category:Sustainability]] [[Category:Construction_techniques]] [[Category:Products_/_components]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>[[Category:Water]] [[Category:Sustainability]] [[Category:Construction_techniques]] [[Category:Products_/_components<ins class="diffchange diffchange-inline">]] [[Category:DCN_Product_Knowledge</ins>]]</div></td></tr> </table>

Designing Buildings https://www.designingbuildings.co.uk/w/index.php?title=Blue_roof&diff=150008&oldid=prev Designing Buildings at 15:31, 24 December 2019 2019-12-24T15:31:13Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 15:31, 24 December 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>A blue roof is a roof designed for the retention of rainwater above the waterproofing element of the roof. This is as opposed to more conventional roofs which allow for rainwater to drain from the roof.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>A blue roof is a roof designed for the retention of rainwater above the waterproofing element of the roof. This is as opposed to more conventional roofs which allow for rainwater to drain from the roof<ins class="diffchange diffchange-inline">. Blue roofs are typically flat, without any fall, with control devices regulate drainage outlets that enable water to be retained or drained</ins>.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">Blue roofs are typically flat, without any fall, with control devices regulate drainage outlets </del>that <del class="diffchange diffchange-inline">enable </del>water <del class="diffchange diffchange-inline">to be retained or drained. They </del>can <del class="diffchange diffchange-inline">be designed as </del>open water surfaces, <del class="diffchange diffchange-inline">as </del>storage within or beneath a porous or modular surface<del class="diffchange diffchange-inline">, </del>or below a raised surface or <del class="diffchange diffchange-inline">covering</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">The SuDS Manual published by CIRIA in 2015 suggests that a blue roof is: ‘A roof construction </ins>that <ins class="diffchange diffchange-inline">stores </ins>water<ins class="diffchange diffchange-inline">, </ins>can <ins class="diffchange diffchange-inline">include </ins>open water surfaces, storage within or beneath a porous <ins class="diffchange diffchange-inline">media </ins>or modular surface or below a raised <ins class="diffchange diffchange-inline">decking </ins>surface or <ins class="diffchange diffchange-inline">cover</ins>.<ins class="diffchange diffchange-inline">’</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Some of the reasons for incorporating a blue roof into a building, include:</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Some of the reasons for incorporating a blue roof into a building, include:</div></td></tr> </table>

Designing Buildings https://www.designingbuildings.co.uk/w/index.php?title=Blue_roof&diff=132623&oldid=prev Designing Buildings at 08:56, 11 April 2019 2019-04-11T08:56:58Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 08:56, 11 April 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 25:</td> <td colspan="2" class="diff-lineno">Line 25:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Groundwater control in urban areas.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Groundwater control in urban areas.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Interstitial condensation.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Interstitial condensation.</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* Living Roofs and Walls, from policy to practice.</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Rain garden.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Rain garden.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Rainwater harvesting.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Rainwater harvesting.</div></td></tr> </table>

Designing Buildings https://www.designingbuildings.co.uk/w/index.php?title=Blue_roof&diff=132621&oldid=prev Designing Buildings at 08:55, 11 April 2019 2019-04-11T08:55:28Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 08:55, 11 April 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 15:</td> <td colspan="2" class="diff-lineno">Line 15:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>To ensure safety, there must be careful estimation of the flow restriction, which calculates the peak rates of run-off and the water depth that will be formed on the roof surface. This informs the design of the safety overflows, the preventative maintenance programme, and the design and construction of the waterproofing layer.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>To ensure safety, there must be careful estimation of the flow restriction, which calculates the peak rates of run-off and the water depth that will be formed on the roof surface. This informs the design of the safety overflows, the preventative maintenance programme, and the design and construction of the waterproofing layer.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">= Find out more =</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings Wiki =</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div> </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">==</del>= Related articles on Designing Buildings Wiki <del class="diffchange diffchange-inline">==</del>=</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Cold roof.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Cold roof.</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 24:</td> <td colspan="2" class="diff-lineno">Line 22:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Flat roof.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Flat roof.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Flat roof defects.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Flat roof defects.</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* Green roof.</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Groundwater control in urban areas.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Groundwater control in urban areas.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Interstitial condensation.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Interstitial condensation.</div></td></tr> </table>

Designing Buildings https://www.designingbuildings.co.uk/w/index.php?title=Blue_roof&diff=131600&oldid=prev Designing Buildings at 14:00, 29 March 2019 2019-03-29T14:00:07Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 14:00, 29 March 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 31:</td> <td colspan="2" class="diff-lineno">Line 31:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Warm roof.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Warm roof.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>[[Category:Sustainability]] [[Category:Construction_techniques]] [[Category:Products_/_components]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">[[Category:Water]] </ins>[[Category:Sustainability]] [[Category:Construction_techniques]] [[Category:Products_/_components]]</div></td></tr> </table>

Designing Buildings https://www.designingbuildings.co.uk/w/index.php?title=Blue_roof&diff=93526&oldid=prev Designing Buildings at 13:02, 14 December 2017 2017-12-14T13:02:02Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 13:02, 14 December 2017</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>A blue roof is a roof <del class="diffchange diffchange-inline">that is </del>designed for <del class="diffchange diffchange-inline">water </del>retention<del class="diffchange diffchange-inline">, specifically </del>rainwater<del class="diffchange diffchange-inline">, </del>above the waterproofing <del class="diffchange diffchange-inline">membrane</del>. This is <del class="diffchange diffchange-inline">different </del>to more <del class="diffchange diffchange-inline">standard roof designs </del>which allow for <del class="diffchange diffchange-inline">swift water drainage </del>to <del class="diffchange diffchange-inline">avoid deterioration or other defects occurring over time</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>A blue roof is a roof designed for <ins class="diffchange diffchange-inline">the </ins>retention <ins class="diffchange diffchange-inline">of </ins>rainwater above the waterproofing <ins class="diffchange diffchange-inline">element of the roof</ins>. This is <ins class="diffchange diffchange-inline">as opposed </ins>to more <ins class="diffchange diffchange-inline">conventional roofs </ins>which allow for <ins class="diffchange diffchange-inline">rainwater </ins>to <ins class="diffchange diffchange-inline">drain from the roof</ins>.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">The roof is </del>typically flat without any <del class="diffchange diffchange-inline">falls</del>, <del class="diffchange diffchange-inline">and </del>control devices regulate drainage outlets <del class="diffchange diffchange-inline">from the roof, enabling </del>water to be <del class="diffchange diffchange-inline">stored temporarily </del>or <del class="diffchange diffchange-inline">permanently</del>. They can be designed as open water surfaces, as storage within or beneath a porous or modular surface, or below a raised surface or covering.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">Blue roofs are </ins>typically flat<ins class="diffchange diffchange-inline">, </ins>without any <ins class="diffchange diffchange-inline">fall</ins>, <ins class="diffchange diffchange-inline">with </ins>control devices regulate drainage outlets <ins class="diffchange diffchange-inline">that enable </ins>water to be <ins class="diffchange diffchange-inline">retained </ins>or <ins class="diffchange diffchange-inline">drained</ins>. They can be designed as open water surfaces, as storage within or beneath a porous or modular surface, or below a raised surface or covering.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Some of the reasons for incorporating a blue roof into a building, include:</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Some of the reasons for incorporating a blue roof into a building, include:</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 7:</td> <td colspan="2" class="diff-lineno">Line 7:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* As a form of Sustainable Urban Drainage System (SuDS) to try and alleviate urban flooding caused by stormwater run-off.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* As a form of Sustainable Urban Drainage System (SuDS) to try and alleviate urban flooding caused by stormwater run-off.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* In areas of urban density, the space created by a blue roof can avoid having to provide attenuation for rainwater at ground level.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* In areas of urban density, the space created by a blue roof can avoid having to provide attenuation for rainwater at ground level.</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* <del class="diffchange diffchange-inline">Depending on planning or building regulations, rainwater </del>harvesting <del class="diffchange diffchange-inline">can be a requirement.</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* <ins class="diffchange diffchange-inline">Rainwater </ins>harvesting for use<ins class="diffchange diffchange-inline">, independent from, or supplemental to the mains water supply</ins>, such as <ins class="diffchange diffchange-inline">wc flushing or </ins>green roof irrigation</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">* They can be used as storage </del>for <del class="diffchange diffchange-inline">re-</del>use <del class="diffchange diffchange-inline">purposes</del>, such as green roof irrigation<del class="diffchange diffchange-inline">, cooling of </del>solar panels, or <del class="diffchange diffchange-inline">to reduce the HVAC </del>load on mechanical refrigeration equipment.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* Cooling </ins>solar panels, or <ins class="diffchange diffchange-inline">reducing </ins>load on mechanical refrigeration <ins class="diffchange diffchange-inline">or cooling </ins>equipment.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* For recreational purposes, such as rooftop swimming pools or water features.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* For recreational purposes, such as rooftop swimming pools or water features.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Unlike other SuDS, blue roofs <del class="diffchange diffchange-inline">are able to </del>make use of otherwise redundant <del class="diffchange diffchange-inline">building space – flat roofs – </del>without extending beyond the footprint of the building or into ground space which, depending on the density of the location, may be expensive<del class="diffchange diffchange-inline">. As they restrict the maximum permissible discharge of stormwater during periods of heavy rainfall, they help reduce the risk of sewer overflow and localised flooding</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Unlike <ins class="diffchange diffchange-inline">some </ins>other <ins class="diffchange diffchange-inline">forms of </ins>SuDS, blue roofs make use of <ins class="diffchange diffchange-inline">spaces that might </ins>otherwise <ins class="diffchange diffchange-inline">be </ins>redundant without extending beyond the footprint of the building or into ground space which, depending on the density of the location, may be expensive.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>To ensure safety, there must be careful estimation of the flow restriction, which calculates the peak rates of run-off and the water depth that will be formed on the roof surface. This informs the design of the safety overflows, the preventative maintenance programme, <del class="diffchange diffchange-inline">as well as </del>the waterproofing layer <del class="diffchange diffchange-inline">which must be sufficient to protect against water ingress</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>To ensure safety, there must be careful estimation of the flow restriction, which calculates the peak rates of run-off and the water depth that will be formed on the roof surface. This informs the design of the safety overflows, the preventative maintenance programme, <ins class="diffchange diffchange-inline">and the design and construction of </ins>the waterproofing layer.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Find out more =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Find out more =</div></td></tr> </table>

Designing Buildings https://www.designingbuildings.co.uk/w/index.php?title=Blue_roof&diff=90986&oldid=prev Editor at 15:59, 12 November 2017 2017-11-12T15:59:31Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 15:59, 12 November 2017</td> </tr><tr><td colspan="2" class="diff-lineno">Line 24:</td> <td colspan="2" class="diff-lineno">Line 24:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Flat roof.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Flat roof.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Flat roof defects.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Flat roof defects.</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* Groundwater control in urban areas.</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Interstitial condensation.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Interstitial condensation.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Rain garden.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Rain garden.</div></td></tr> </table>

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